The apostle Paul used the word salutation three times in his writings <1 Cor. 16:20-21; Col. 4:18; 2 Thes. 3:17>. Each time he indicated that he had written the salutation in his own hand. Paul must have had his letters transcribed by a secretary or scribe. But at the end he often included a few words in his own handwriting. This added a personal touch and established the letter as his own.
(from Nelson's Illustrated Bible Dictionary)
(Copyright (C) 1986, Thomas Nelson Publishers)
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